1. **Which statement identifies the central idea of the text?**
- Other: The central idea revolves around the risks and privacy violations associated with smartphone technology.
2. **What is the author's overall purpose in the text?**
- to promote awareness among readers about smartphones and apps.
3. **How does paragraph 25 contribute to the development of the ideas in the text?**
- It shows how information collected by sensors could be used in a way that negatively affects you.
4. **How can smartphone security systems affect user experience?**
- They block sensors that make apps more user-friendly.